Fuel-economizer and smoke and spark consumer.



G. CLARK. FUEL EOONOMIZER AND smoxn AND SPARK consumrm.

APPLICATION FILED JULYl, 1009.

Patented Apr. 4, 1911.

VV/T/VESSES M UNITED STATES PAIIENT OFFICE.

GARDNER CLARK, OF SOUTH ACTON; MASSACHUSETTS.

FUEL-ECONOMIZEB AND SMOKE AND SPARK CONSUMER.

To all whom it may concern:

Be it. known that I, GARDNER CLARK, a citizen of the United States, residing at South Acton, inthe county of Middlesex and State of Massachusetts, have invented certain new and useful Improvements in Fuel Economizers and Smoke and Spark Consinners; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

This invention relates to fuel economizers and smoke and spark consumers.

The object of the invention is to provide for the more complete combustion of the fuel than has been possible heretofore, with means for consuming the smoke, sparks and cinders. i

A further object is to provide an improved device of the character indicated which may be applied to any type of steam boiler t'or et'lecting the result stated.

\Vith these and other objects in view, the invention consists in the novel constriwtion hereinafter described and claimed.

In the accompanying drawings---l*igure 1 is a view in vertical longitudinal section of. a portion of a locomotive boiler with the screens, smoke pipes, etc, removed, in order to more clearly illustrate the application of the invention. Fig. 3 is a perspective view of a portion of the construction shown in Fig. 1. and represents a device for admittii'igair under pressure. Figs. 3 and 4 are detail views showing means 't'orincreasing the air pressure.

In Fig. l of the drawings there is shown a portion of a locomotive boiler, the tire tubes of which are designated by the letter I), such tubes being connected with the tube sheet I) which forms one side of the smoke chamber- A. The stack B connects with the smoke chamber in the usual manner, and below the stack is the usual steam nozzle C, arranged to discharge coaxially with the stack. The front oi" the chamber is shown at l, and extending lengthwise of the chamber A are pipes II located substantially midway ot the upper and lower portions of the chamber andhaving connection with a transverse pipe or header I extending across the forward ends of the tire tubes. Header I is located adjacent to the tube sheet I), but not in direct contact therewith. A diaphragm 01" battle plate is shown at t}, thisplate be- Specification of Letters Patent.

Application filed July 1, 1909.

Patented Apr. 4, 1911.

Serial No. 505,485.

ing connected with the tube sheet D and projecting over the tansverse header 1. The latter is connected with the longitudinal tubes II by means of T connections H closed at. their outer ends by caps It, or in header I is provided with a series of perforations extending along one side thereof, and certain of these pertbrations have connected therewith short tubes K which extend into the ends of adjacent fire tubes, for the purpose of conducting air from header I through such tubes to the tire box, not shown in the present drawings. A portion of the air admitted through intake I'I es- .capes from the transverse header through perforations I. and thence into smoke chamher A, where it mingles with the products of combustion and assists materially in the further combustion of unconsmned portions, the latter being almost wholly disposed of, Fluid may be admitted into the header I through an injecting device TJ when increased pressure is desired.

In Fig. 3 l have shown an arrangement in which an injector M is connected with the forward end of intake pipe 11.

()ne oi the important advantages of this device over previous constructions is that fluid is admitted at the same time and trom the same ducts both to the tire box amt to the smoke chamber, in the required proportions and under the required pressure, in

each, to etl'cct the result desired.

What I claim is:

1. In a device ot the class described, a tubular boiler, a smoke chamber adjacent to the boiler and connected with the tubes thereof, means inchuling a longitudinally disposed inlet pipe and a transverse header for conveying air through the smoke chamber, "from the exterior, and tubes arranged to connect said header with a tire box, through the mcdimn ot' the boiler tubes, such header being provided with apertures for admitting air directly to the smoke chamber.

2. In a device of the class described. a tubular boiler, a smoke chamber adjacent to the front of the boiler, an inlet pipe passing through the wall of the smoke chamber, a

II it) transverse pipe Connecting with the inlet In testimony whereof I afiix my signature pipe and extending directly across the ends in presence of two Witnesses.

of the boiler tubes said transverse pipe being provided with outlets for discharging Y A GARDNER A air in proximity to the ends of the tubes, Witnesses;

and a baflie plate ar ranged above the trans FRANK G. ELLISON,

verse pipe. GEO, R. RICHARDS. 

